90 lines
2.8 KiB
Plaintext
90 lines
2.8 KiB
Plaintext
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#!/usr/bin/perl -w
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use esmith::ConfigDB;
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use esmith::AccountsDB;
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use File::Find;
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my $c = esmith::ConfigDB->open || die "Couldn't open ConfigDB\n";
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my $a = esmith::AccountsDB->open_ro || die "Couldn't open AccountsdDB\n";
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my $dovecot = $c->get('dovecot');
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die "couldn't find dovecot service\n" unless ($dovecot);
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my $event = $ARGV[0];
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# SharedMailboxes disabled ?
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if (($dovecot->prop('SharedMailbox') || 'disabled') eq 'disabled'){
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if (($dovecot->prop('SharedMailboxAcl') || 'yes') ne 'no'){
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foreach my $user ($a->users){
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my $name = $user->key;
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die "Error removing SharedMailbox ACLs ($name"."'s Maildir)\n" unless (
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system('/usr/bin/setfacl',
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'-R',
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'-x',
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'g:sharedmailbox',
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"/home/e-smith/files/users/$name") == 0 &&
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system('/bin/chmod',
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'-R',
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'g-s',
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"/home/e-smith/files/users/$name/Maildir") == 0
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);
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}
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}
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$dovecot->set_prop('SharedMailboxAcl','no');
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exit(0);
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}
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# If SharedMailbox is enabled
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# Set the correct ACL during user creation
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if ($event && $event eq 'user-create'){
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my $user = $ARGV[1];
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set_acl($user);
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}
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if (($dovecot->prop('SharedMailboxAcl') || 'no') ne 'yes'){
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# ACL for existing users haven't been set yet
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foreach my $user ($a->users){
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my $name = $user->key;
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set_acl($name);
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}
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$dovecot->set_prop('SharedMailboxAcl','yes');
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}
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# Set ACL on a user's Maildir
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sub set_acl {
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my $user = shift;
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die "Missing username\n" unless ($user);
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die "Couldn't find $user"."'s home dir\n" unless (-e "/home/e-smith/files/users/$user");
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find(\&dirperm, "/home/e-smith/files/users/$user/Maildir");
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die "Error applying permissions to $user 's Maildir\n" unless (
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# sharedmailbox group needs read / write access on Maildir
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system('/usr/bin/setfacl',
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'-R',
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'-m',
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'u::rwX,g::rwX,o::rX,g:sharedmailbox:rwX,d:u::rwX,d:g::rwX,d:g:sharedmailbox:rwX,d:o::rX',
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"/home/e-smith/files/users/$user/Maildir") == 0 &&
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# Grant sharedmailbox group permission to go through
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# the home dir so it can access the Maildir, but don't let it read
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# anything (except the Maildir)
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system('/usr/bin/setfacl',
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'-m',
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'g:sharedmailbox:x',
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"/home/e-smith/files/users/$user") == 0
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);
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}
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# The kernel will handle group perms when a user
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# create a dir in another user's Maildir (if IMAP ACL allows it)
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# This will prevent dovecot errors, see
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# http://wiki2.dovecot.org/SharedMailboxes/Permissions and
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# http://wiki2.dovecot.org/Errors/ChgrpNoPerm
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sub dirperm {
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system('/bin/chmod',
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'g+s',
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"$_") if (-d);
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}
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